3fcf39c1217361c05077b8bd1b5f9e0bdc922d908ed291f88d1b6d4094d0dcc2

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/01/2024, 08:58

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General

Target

5883b056534337cabeee2c58cdde6ccc.exe
Size

219KB
MD5

5883b056534337cabeee2c58cdde6ccc
SHA1

b6fe9b5f759619eb2dde2104df00fd70fbb68791
SHA256

3fcf39c1217361c05077b8bd1b5f9e0bdc922d908ed291f88d1b6d4094d0dcc2
SHA512

ecdb2c49df743d5484f1b9f4a3fe6897e42d0f81d8e234210be73d8d51a5f99024ba29c455424b80c0c8a2e4bfae349e4538c7fb522268273af7fb283724eb12
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8oveaMpjBFyT:o68i3odBiTl2+TCU/+verhuhuIp1

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	5883b056534337cabeee2c58cdde6ccc.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon2.ico	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\bugMAKER.bat	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\winhash_up.exez	5883b056534337cabeee2c58cdde6ccc.exe
File opened for modification	C:\Windows\winhash_up.exez	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\winhash_up.exe	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	5883b056534337cabeee2c58cdde6ccc.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	5883b056534337cabeee2c58cdde6ccc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 2900	1116	5883b056534337cabeee2c58cdde6ccc.exe	28
PID 1116 wrote to memory of 2900	1116	5883b056534337cabeee2c58cdde6ccc.exe	28
PID 1116 wrote to memory of 2900	1116	5883b056534337cabeee2c58cdde6ccc.exe	28
PID 1116 wrote to memory of 2900	1116	5883b056534337cabeee2c58cdde6ccc.exe	28

C:\Users\Admin\AppData\Local\Temp\5883b056534337cabeee2c58cdde6ccc.exe
"C:\Users\Admin\AppData\Local\Temp\5883b056534337cabeee2c58cdde6ccc.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
842f05e380d7f62191eba6a2a6d58bb4

SHA1
4bee14507b2b23925baa651ab43ada6299a57827

SHA256
78c81508536db1fd3e4ffd771e9ce67c223076ef31491001f61ba2857eb05e53

SHA512
be6623b1ae63c728f09c09b9f5bdc3958177bd96562d2ca3871d4f105e8f630313741a250d04574775b8f20fe7b20691a019e12fab62493e2d75590018b01e07

Download Submit
memory/1116-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2900-62-0x00000000021C0000-0x00000000021C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads